const db = uniCloud.database();
exports.main = async (event, context) => {
	// 可直接删除
	// let res = db.collection("user").remove();
	// 建议添加条件，跟安全
	const dbCmd = db.command;
	let res = db.collection("user").where({
		_id:dbCmd.gt(0)
	}).remove();
	return res;
};
